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Finding the Fourth Proportional to 366,917.18, 550,375.77 and 366,917.18

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Solution

The fourth proportional to 366,917.18, 550,375.77 and 366,917.18 is: 550,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917.18 : 550,375.77 = 366,917.18 : x
  2. Step 2: Convert to fraction form
    366,917.18/550,375.77 = 366,917.18/x
  3. Step 3: Cross multiply
    366,917.18x = 550,375.77 × 366,917.18
  4. Step 4: Simplify right side
    366,917.18x = 201,942,325,468.73
  5. Step 5: Solve for x
    x = 201,942,325,468.73/366,917.18
  6. Step 6: Final answer
    x = 550,375.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.